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1404343444 = 227291729487
BaseRepresentation
bin101001110110100…
…1001010010010100
310121212112001001011
41103231021102110
510334002442234
6351203542004
746541502520
oct12355112224
93555461034
101404343444
11660796019
1233238a904
13194c3c76a
14d4722d80
1583451b64
hex53b49494

1404343444 has 24 divisors (see below), whose sum is σ = 2905539840. Its totient is φ = 581107296.

The previous prime is 1404343427. The next prime is 1404343469. The reversal of 1404343444 is 4443434041.

It is a super-2 number, since 2×14043434442 = 3944361017411562272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863932 + ... + 865555.

It is an arithmetic number, because the mean of its divisors is an integer number (121064160).

Almost surely, 21404343444 is an apocalyptic number.

1404343444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1404343444 is an abundant number, since it is smaller than the sum of its proper divisors (1501196396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404343444 is a wasteful number, since it uses less digits than its factorization.

1404343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729527 (or 1729525 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

The square root of 1404343444 is about 37474.5706312961. The cubic root of 1404343444 is about 1119.8446436299.

Adding to 1404343444 its reverse (4443434041), we get a palindrome (5847777485).

The spelling of 1404343444 in words is "one billion, four hundred four million, three hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 1729487 3458974 6917948 12106409 24212818 48425636 50155123 100310246 200620492 351085861 702171722 1404343444